noun 1. the science or study of the effect of time, especially rhythms, on living systems. /ˌkrɒnəbaɪˈɒlədʒɪ; ˌkrəʊnə-/noun 1. the branch of biology concerned with the periodicity occurring in living organisms See also biological clock, circadian

chronobiology chron·o·bi·ol·o·gy (krŏn’ō-bī-ŏl’ə-jē) n. The study of the effect of time on biological events, especially repetitive or cyclic phenomena in individuals.

[kron-uh-gram] /ˈkrɒn əˌgræm/ noun 1. an inscription in which certain Roman numeral letters express a date or epoch on being added together by their values. 2. a record made by a chronograph. /ˈkrɒnəˌɡræm; ˈkrəʊnə-/ noun 1. a phrase or inscription in which letters such as M, C, X, L and V can be read as […]

[kron-uh-graf, -grahf] /ˈkrɒn əˌgræf, -ˌgrɑf/ noun 1. a timepiece fitted with a recording device, as a stylus and rotating drum, used to mark the exact instant of an occurrence, especially in astronomy. 2. a timepiece capable of measuring extremely brief intervals of time accurately, as a stopwatch able to record fractions of a second as […]

[kron-uh-graf, -grahf] /ˈkrɒn əˌgræf, -ˌgrɑf/ noun 1. a timepiece fitted with a recording device, as a stylus and rotating drum, used to mark the exact instant of an occurrence, especially in astronomy. 2. a timepiece capable of measuring extremely brief intervals of time accurately, as a stopwatch able to record fractions of a second as […]

[kron-uh-graf, -grahf] /ˈkrɒn əˌgræf, -ˌgrɑf/ noun 1. a timepiece fitted with a recording device, as a stylus and rotating drum, used to mark the exact instant of an occurrence, especially in astronomy. 2. a timepiece capable of measuring extremely brief intervals of time accurately, as a stopwatch able to record fractions of a second as […]

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